| /* |
| * libx265 encoder |
| * |
| * Copyright (c) 2013-2014 Derek Buitenhuis |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #if defined(_MSC_VER) |
| #define X265_API_IMPORTS 1 |
| #endif |
| |
| #include <x265.h> |
| #include <float.h> |
| |
| #include "libavutil/avassert.h" |
| #include "libavutil/buffer.h" |
| #include "libavutil/internal.h" |
| #include "libavutil/mastering_display_metadata.h" |
| #include "libavutil/mem.h" |
| #include "libavutil/opt.h" |
| #include "libavutil/pixdesc.h" |
| #include "avcodec.h" |
| #include "codec_internal.h" |
| #include "dovi_rpu.h" |
| #include "encode.h" |
| #include "packet_internal.h" |
| #include "atsc_a53.h" |
| #include "sei.h" |
| |
| #if defined(X265_ENABLE_ALPHA) && MAX_LAYERS > 2 |
| #define FF_X265_MAX_LAYERS MAX_LAYERS |
| #elif X265_BUILD >= 210 |
| #define FF_X265_MAX_LAYERS 2 |
| #else |
| #define FF_X265_MAX_LAYERS 1 |
| #endif |
| |
| typedef struct ReorderedData { |
| int64_t duration; |
| |
| void *frame_opaque; |
| AVBufferRef *frame_opaque_ref; |
| |
| int in_use; |
| } ReorderedData; |
| |
| typedef struct libx265Context { |
| const AVClass *class; |
| |
| x265_encoder *encoder; |
| x265_param *params; |
| const x265_api *api; |
| |
| float crf; |
| int cqp; |
| int forced_idr; |
| char *preset; |
| char *tune; |
| char *profile; |
| AVDictionary *x265_opts; |
| |
| void *sei_data; |
| int sei_data_size; |
| int udu_sei; |
| int a53_cc; |
| |
| ReorderedData *rd; |
| int nb_rd; |
| |
| /** |
| * If the encoder does not support ROI then warn the first time we |
| * encounter a frame with ROI side data. |
| */ |
| int roi_warned; |
| |
| DOVIContext dovi; |
| } libx265Context; |
| |
| static int is_keyframe(NalUnitType naltype) |
| { |
| switch (naltype) { |
| case NAL_UNIT_CODED_SLICE_BLA_W_LP: |
| case NAL_UNIT_CODED_SLICE_BLA_W_RADL: |
| case NAL_UNIT_CODED_SLICE_BLA_N_LP: |
| case NAL_UNIT_CODED_SLICE_IDR_W_RADL: |
| case NAL_UNIT_CODED_SLICE_IDR_N_LP: |
| case NAL_UNIT_CODED_SLICE_CRA: |
| return 1; |
| default: |
| return 0; |
| } |
| } |
| |
| static int rd_get(libx265Context *ctx) |
| { |
| const int add = 16; |
| |
| ReorderedData *tmp; |
| int idx; |
| |
| for (int i = 0; i < ctx->nb_rd; i++) |
| if (!ctx->rd[i].in_use) { |
| ctx->rd[i].in_use = 1; |
| return i; |
| } |
| |
| tmp = av_realloc_array(ctx->rd, ctx->nb_rd + add, sizeof(*ctx->rd)); |
| if (!tmp) |
| return AVERROR(ENOMEM); |
| memset(tmp + ctx->nb_rd, 0, sizeof(*tmp) * add); |
| |
| ctx->rd = tmp; |
| ctx->nb_rd += add; |
| |
| idx = ctx->nb_rd - add; |
| ctx->rd[idx].in_use = 1; |
| |
| return idx; |
| } |
| |
| static void rd_release(libx265Context *ctx, int idx) |
| { |
| av_assert0(idx >= 0 && idx < ctx->nb_rd); |
| av_buffer_unref(&ctx->rd[idx].frame_opaque_ref); |
| memset(&ctx->rd[idx], 0, sizeof(ctx->rd[idx])); |
| } |
| |
| static av_cold int libx265_encode_close(AVCodecContext *avctx) |
| { |
| libx265Context *ctx = avctx->priv_data; |
| |
| ctx->api->param_free(ctx->params); |
| av_freep(&ctx->sei_data); |
| |
| for (int i = 0; i < ctx->nb_rd; i++) |
| rd_release(ctx, i); |
| av_freep(&ctx->rd); |
| |
| if (ctx->encoder) |
| ctx->api->encoder_close(ctx->encoder); |
| |
| ff_dovi_ctx_unref(&ctx->dovi); |
| |
| return 0; |
| } |
| |
| static av_cold int libx265_param_parse_float(AVCodecContext *avctx, |
| const char *key, float value) |
| { |
| libx265Context *ctx = avctx->priv_data; |
| char buf[256]; |
| |
| snprintf(buf, sizeof(buf), "%2.2f", value); |
| if (ctx->api->param_parse(ctx->params, key, buf) == X265_PARAM_BAD_VALUE) { |
| av_log(avctx, AV_LOG_ERROR, "Invalid value %2.2f for param \"%s\".\n", value, key); |
| return AVERROR(EINVAL); |
| } |
| |
| return 0; |
| } |
| |
| static av_cold int libx265_param_parse_int(AVCodecContext *avctx, |
| const char *key, int value) |
| { |
| libx265Context *ctx = avctx->priv_data; |
| char buf[256]; |
| |
| snprintf(buf, sizeof(buf), "%d", value); |
| if (ctx->api->param_parse(ctx->params, key, buf) == X265_PARAM_BAD_VALUE) { |
| av_log(avctx, AV_LOG_ERROR, "Invalid value %d for param \"%s\".\n", value, key); |
| return AVERROR(EINVAL); |
| } |
| |
| return 0; |
| } |
| |
| static int handle_mdcv(void *logctx, const x265_api *api, |
| x265_param *params, |
| const AVMasteringDisplayMetadata *mdcv) |
| { |
| char buf[10 /* # of PRId64s */ * 20 /* max strlen for %PRId64 */ + sizeof("G(,)B(,)R(,)WP(,)L(,)")]; |
| |
| // G(%hu,%hu)B(%hu,%hu)R(%hu,%hu)WP(%hu,%hu)L(%u,%u) |
| snprintf(buf, sizeof(buf), |
| "G(%"PRId64",%"PRId64")B(%"PRId64",%"PRId64")R(%"PRId64",%"PRId64")" |
| "WP(%"PRId64",%"PRId64")L(%"PRId64",%"PRId64")", |
| av_rescale_q(1, mdcv->display_primaries[1][0], (AVRational){ 1, 50000 }), |
| av_rescale_q(1, mdcv->display_primaries[1][1], (AVRational){ 1, 50000 }), |
| av_rescale_q(1, mdcv->display_primaries[2][0], (AVRational){ 1, 50000 }), |
| av_rescale_q(1, mdcv->display_primaries[2][1], (AVRational){ 1, 50000 }), |
| av_rescale_q(1, mdcv->display_primaries[0][0], (AVRational){ 1, 50000 }), |
| av_rescale_q(1, mdcv->display_primaries[0][1], (AVRational){ 1, 50000 }), |
| av_rescale_q(1, mdcv->white_point[0], (AVRational){ 1, 50000 }), |
| av_rescale_q(1, mdcv->white_point[1], (AVRational){ 1, 50000 }), |
| av_rescale_q(1, mdcv->max_luminance, (AVRational){ 1, 10000 }), |
| av_rescale_q(1, mdcv->min_luminance, (AVRational){ 1, 10000 })); |
| |
| if (api->param_parse(params, "master-display", buf) == |
| X265_PARAM_BAD_VALUE) { |
| av_log(logctx, AV_LOG_ERROR, |
| "Invalid value \"%s\" for param \"master-display\".\n", |
| buf); |
| return AVERROR(EINVAL); |
| } |
| |
| return 0; |
| } |
| |
| static int handle_side_data(AVCodecContext *avctx, const x265_api *api, |
| x265_param *params) |
| { |
| const AVFrameSideData *cll_sd = |
| av_frame_side_data_get(avctx->decoded_side_data, |
| avctx->nb_decoded_side_data, AV_FRAME_DATA_CONTENT_LIGHT_LEVEL); |
| const AVFrameSideData *mdcv_sd = |
| av_frame_side_data_get(avctx->decoded_side_data, |
| avctx->nb_decoded_side_data, |
| AV_FRAME_DATA_MASTERING_DISPLAY_METADATA); |
| |
| if (cll_sd) { |
| const AVContentLightMetadata *cll = |
| (AVContentLightMetadata *)cll_sd->data; |
| |
| params->maxCLL = cll->MaxCLL; |
| params->maxFALL = cll->MaxFALL; |
| } |
| |
| if (mdcv_sd) { |
| int ret = handle_mdcv( |
| avctx, api, params, |
| (AVMasteringDisplayMetadata *)mdcv_sd->data); |
| if (ret < 0) |
| return ret; |
| } |
| |
| return 0; |
| } |
| |
| static av_cold int libx265_encode_init(AVCodecContext *avctx) |
| { |
| libx265Context *ctx = avctx->priv_data; |
| AVCPBProperties *cpb_props = NULL; |
| const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt); |
| int ret; |
| |
| ctx->api = x265_api_get(desc->comp[0].depth); |
| if (!ctx->api) |
| ctx->api = x265_api_get(0); |
| |
| ctx->params = ctx->api->param_alloc(); |
| if (!ctx->params) { |
| av_log(avctx, AV_LOG_ERROR, "Could not allocate x265 param structure.\n"); |
| return AVERROR(ENOMEM); |
| } |
| |
| if (ctx->api->param_default_preset(ctx->params, ctx->preset, ctx->tune) < 0) { |
| int i; |
| |
| av_log(avctx, AV_LOG_ERROR, "Error setting preset/tune %s/%s.\n", ctx->preset, ctx->tune); |
| av_log(avctx, AV_LOG_INFO, "Possible presets:"); |
| for (i = 0; x265_preset_names[i]; i++) |
| av_log(avctx, AV_LOG_INFO, " %s", x265_preset_names[i]); |
| |
| av_log(avctx, AV_LOG_INFO, "\n"); |
| av_log(avctx, AV_LOG_INFO, "Possible tunes:"); |
| for (i = 0; x265_tune_names[i]; i++) |
| av_log(avctx, AV_LOG_INFO, " %s", x265_tune_names[i]); |
| |
| av_log(avctx, AV_LOG_INFO, "\n"); |
| |
| return AVERROR(EINVAL); |
| } |
| |
| ctx->params->frameNumThreads = avctx->thread_count; |
| if (avctx->framerate.num > 0 && avctx->framerate.den > 0) { |
| ctx->params->fpsNum = avctx->framerate.num; |
| ctx->params->fpsDenom = avctx->framerate.den; |
| } else { |
| ctx->params->fpsNum = avctx->time_base.den; |
| FF_DISABLE_DEPRECATION_WARNINGS |
| ctx->params->fpsDenom = avctx->time_base.num |
| #if FF_API_TICKS_PER_FRAME |
| * avctx->ticks_per_frame |
| #endif |
| ; |
| FF_ENABLE_DEPRECATION_WARNINGS |
| } |
| ctx->params->sourceWidth = avctx->width; |
| ctx->params->sourceHeight = avctx->height; |
| ctx->params->bEnablePsnr = !!(avctx->flags & AV_CODEC_FLAG_PSNR); |
| ctx->params->bOpenGOP = !(avctx->flags & AV_CODEC_FLAG_CLOSED_GOP); |
| |
| /* Tune the CTU size based on input resolution. */ |
| if (ctx->params->sourceWidth < 64 || ctx->params->sourceHeight < 64) |
| ctx->params->maxCUSize = 32; |
| if (ctx->params->sourceWidth < 32 || ctx->params->sourceHeight < 32) |
| ctx->params->maxCUSize = 16; |
| if (ctx->params->sourceWidth < 16 || ctx->params->sourceHeight < 16) { |
| av_log(avctx, AV_LOG_ERROR, "Image size is too small (%dx%d).\n", |
| ctx->params->sourceWidth, ctx->params->sourceHeight); |
| return AVERROR(EINVAL); |
| } |
| |
| |
| ctx->params->vui.bEnableVideoSignalTypePresentFlag = 1; |
| |
| if (avctx->color_range != AVCOL_RANGE_UNSPECIFIED) |
| ctx->params->vui.bEnableVideoFullRangeFlag = |
| avctx->color_range == AVCOL_RANGE_JPEG; |
| else |
| ctx->params->vui.bEnableVideoFullRangeFlag = |
| (desc->flags & AV_PIX_FMT_FLAG_RGB) || |
| avctx->pix_fmt == AV_PIX_FMT_YUVJ420P || |
| avctx->pix_fmt == AV_PIX_FMT_YUVJ422P || |
| avctx->pix_fmt == AV_PIX_FMT_YUVJ444P; |
| |
| if (avctx->color_primaries != AVCOL_PRI_UNSPECIFIED || |
| avctx->color_trc != AVCOL_TRC_UNSPECIFIED || |
| avctx->colorspace != AVCOL_SPC_UNSPECIFIED) { |
| |
| ctx->params->vui.bEnableColorDescriptionPresentFlag = 1; |
| |
| // x265 validates the parameters internally |
| ctx->params->vui.colorPrimaries = avctx->color_primaries; |
| ctx->params->vui.transferCharacteristics = avctx->color_trc; |
| #if X265_BUILD >= 159 |
| if (avctx->color_trc == AVCOL_TRC_ARIB_STD_B67) |
| ctx->params->preferredTransferCharacteristics = ctx->params->vui.transferCharacteristics; |
| #endif |
| ctx->params->vui.matrixCoeffs = avctx->colorspace; |
| } |
| |
| // chroma sample location values are to be ignored in case of non-4:2:0 |
| // according to the specification, so we only write them out in case of |
| // 4:2:0 (log2_chroma_{w,h} == 1). |
| ctx->params->vui.bEnableChromaLocInfoPresentFlag = |
| avctx->chroma_sample_location != AVCHROMA_LOC_UNSPECIFIED && |
| desc->log2_chroma_w == 1 && desc->log2_chroma_h == 1; |
| |
| if (ctx->params->vui.bEnableChromaLocInfoPresentFlag) { |
| ctx->params->vui.chromaSampleLocTypeTopField = |
| ctx->params->vui.chromaSampleLocTypeBottomField = |
| avctx->chroma_sample_location - 1; |
| } |
| |
| if (avctx->sample_aspect_ratio.num > 0 && avctx->sample_aspect_ratio.den > 0) { |
| char sar[12]; |
| int sar_num, sar_den; |
| |
| av_reduce(&sar_num, &sar_den, |
| avctx->sample_aspect_ratio.num, |
| avctx->sample_aspect_ratio.den, 65535); |
| snprintf(sar, sizeof(sar), "%d:%d", sar_num, sar_den); |
| if (ctx->api->param_parse(ctx->params, "sar", sar) == X265_PARAM_BAD_VALUE) { |
| av_log(avctx, AV_LOG_ERROR, "Invalid SAR: %d:%d.\n", sar_num, sar_den); |
| return AVERROR_INVALIDDATA; |
| } |
| } |
| |
| switch (desc->log2_chroma_w) { |
| // 4:4:4, RGB. gray |
| case 0: |
| // gray |
| if (desc->nb_components == 1) { |
| if (ctx->api->api_build_number < 85) { |
| av_log(avctx, AV_LOG_ERROR, |
| "libx265 version is %d, must be at least 85 for gray encoding.\n", |
| ctx->api->api_build_number); |
| return AVERROR_INVALIDDATA; |
| } |
| ctx->params->internalCsp = X265_CSP_I400; |
| break; |
| } |
| |
| // set identity matrix for RGB |
| if (desc->flags & AV_PIX_FMT_FLAG_RGB) { |
| ctx->params->vui.matrixCoeffs = AVCOL_SPC_RGB; |
| ctx->params->vui.bEnableVideoSignalTypePresentFlag = 1; |
| ctx->params->vui.bEnableColorDescriptionPresentFlag = 1; |
| } |
| |
| ctx->params->internalCsp = X265_CSP_I444; |
| break; |
| // 4:2:0, 4:2:2 |
| case 1: |
| ctx->params->internalCsp = desc->log2_chroma_h == 1 ? |
| X265_CSP_I420 : X265_CSP_I422; |
| break; |
| default: |
| av_log(avctx, AV_LOG_ERROR, |
| "Pixel format '%s' cannot be mapped to a libx265 CSP!\n", |
| desc->name); |
| return AVERROR_BUG; |
| } |
| |
| ret = handle_side_data(avctx, ctx->api, ctx->params); |
| if (ret < 0) { |
| av_log(avctx, AV_LOG_ERROR, "Failed handling side data! (%s)\n", |
| av_err2str(ret)); |
| return ret; |
| } |
| |
| if (ctx->crf >= 0) { |
| char crf[6]; |
| |
| snprintf(crf, sizeof(crf), "%2.2f", ctx->crf); |
| if (ctx->api->param_parse(ctx->params, "crf", crf) == X265_PARAM_BAD_VALUE) { |
| av_log(avctx, AV_LOG_ERROR, "Invalid crf: %2.2f.\n", ctx->crf); |
| return AVERROR(EINVAL); |
| } |
| } else if (avctx->bit_rate > 0) { |
| ctx->params->rc.bitrate = avctx->bit_rate / 1000; |
| ctx->params->rc.rateControlMode = X265_RC_ABR; |
| } else if (ctx->cqp >= 0) { |
| ret = libx265_param_parse_int(avctx, "qp", ctx->cqp); |
| if (ret < 0) |
| return ret; |
| } |
| |
| if (avctx->qmin >= 0) { |
| ret = libx265_param_parse_int(avctx, "qpmin", avctx->qmin); |
| if (ret < 0) |
| return ret; |
| } |
| if (avctx->qmax >= 0) { |
| ret = libx265_param_parse_int(avctx, "qpmax", avctx->qmax); |
| if (ret < 0) |
| return ret; |
| } |
| if (avctx->max_qdiff >= 0) { |
| ret = libx265_param_parse_int(avctx, "qpstep", avctx->max_qdiff); |
| if (ret < 0) |
| return ret; |
| } |
| if (avctx->qblur >= 0) { |
| ret = libx265_param_parse_float(avctx, "qblur", avctx->qblur); |
| if (ret < 0) |
| return ret; |
| } |
| if (avctx->qcompress >= 0) { |
| ret = libx265_param_parse_float(avctx, "qcomp", avctx->qcompress); |
| if (ret < 0) |
| return ret; |
| } |
| if (avctx->i_quant_factor >= 0) { |
| ret = libx265_param_parse_float(avctx, "ipratio", avctx->i_quant_factor); |
| if (ret < 0) |
| return ret; |
| } |
| if (avctx->b_quant_factor >= 0) { |
| ret = libx265_param_parse_float(avctx, "pbratio", avctx->b_quant_factor); |
| if (ret < 0) |
| return ret; |
| } |
| |
| ctx->params->rc.vbvBufferSize = avctx->rc_buffer_size / 1000; |
| ctx->params->rc.vbvMaxBitrate = avctx->rc_max_rate / 1000; |
| |
| cpb_props = ff_encode_add_cpb_side_data(avctx); |
| if (!cpb_props) |
| return AVERROR(ENOMEM); |
| cpb_props->buffer_size = ctx->params->rc.vbvBufferSize * 1000; |
| cpb_props->max_bitrate = ctx->params->rc.vbvMaxBitrate * 1000LL; |
| cpb_props->avg_bitrate = ctx->params->rc.bitrate * 1000LL; |
| |
| if (!(avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER)) |
| ctx->params->bRepeatHeaders = 1; |
| |
| if (avctx->gop_size >= 0) { |
| ret = libx265_param_parse_int(avctx, "keyint", avctx->gop_size); |
| if (ret < 0) |
| return ret; |
| } |
| if (avctx->keyint_min > 0) { |
| ret = libx265_param_parse_int(avctx, "min-keyint", avctx->keyint_min); |
| if (ret < 0) |
| return ret; |
| } |
| if (avctx->max_b_frames >= 0) { |
| ret = libx265_param_parse_int(avctx, "bframes", avctx->max_b_frames); |
| if (ret < 0) |
| return ret; |
| } |
| if (avctx->refs >= 0) { |
| ret = libx265_param_parse_int(avctx, "ref", avctx->refs); |
| if (ret < 0) |
| return ret; |
| } |
| |
| { |
| const AVDictionaryEntry *en = NULL; |
| while ((en = av_dict_iterate(ctx->x265_opts, en))) { |
| int parse_ret; |
| |
| // ignore forced alpha option. The pixel format is all we need. |
| if (!strncmp(en->key, "alpha", 5)) { |
| if (desc->nb_components == 4) { |
| av_log(avctx, AV_LOG_WARNING, |
| "Ignoring redundant \"alpha\" option.\n"); |
| continue; |
| } |
| av_log(avctx, AV_LOG_ERROR, |
| "Alpha encoding was requested through an unsupported " |
| "option when no alpha plane is present\n"); |
| return AVERROR(EINVAL); |
| } |
| |
| parse_ret = ctx->api->param_parse(ctx->params, en->key, en->value); |
| switch (parse_ret) { |
| case X265_PARAM_BAD_NAME: |
| av_log(avctx, AV_LOG_WARNING, |
| "Unknown option: %s.\n", en->key); |
| break; |
| case X265_PARAM_BAD_VALUE: |
| av_log(avctx, AV_LOG_WARNING, |
| "Invalid value for %s: %s.\n", en->key, en->value); |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| |
| if (ctx->params->rc.vbvBufferSize && avctx->rc_initial_buffer_occupancy > 1000 && |
| ctx->params->rc.vbvBufferInit == 0.9) { |
| ctx->params->rc.vbvBufferInit = (float)avctx->rc_initial_buffer_occupancy / 1000; |
| } |
| |
| if (ctx->profile) { |
| if (ctx->api->param_apply_profile(ctx->params, ctx->profile) < 0) { |
| int i; |
| av_log(avctx, AV_LOG_ERROR, "Invalid or incompatible profile set: %s.\n", ctx->profile); |
| av_log(avctx, AV_LOG_INFO, "Possible profiles:"); |
| for (i = 0; x265_profile_names[i]; i++) |
| av_log(avctx, AV_LOG_INFO, " %s", x265_profile_names[i]); |
| av_log(avctx, AV_LOG_INFO, "\n"); |
| return AVERROR(EINVAL); |
| } |
| } |
| |
| #if X265_BUILD >= 167 |
| ctx->dovi.logctx = avctx; |
| if ((ret = ff_dovi_configure(&ctx->dovi, avctx)) < 0) |
| return ret; |
| ctx->params->dolbyProfile = ctx->dovi.cfg.dv_profile * 10 + |
| ctx->dovi.cfg.dv_bl_signal_compatibility_id; |
| #endif |
| |
| #if X265_BUILD >= 210 && FF_X265_MAX_LAYERS > 1 |
| if (desc->flags & AV_PIX_FMT_FLAG_ALPHA) { |
| if (ctx->api->param_parse(ctx->params, "alpha", "1") < 0) { |
| av_log(avctx, AV_LOG_ERROR, "Loaded libx265 does not support alpha layer encoding.\n"); |
| return AVERROR(ENOTSUP); |
| } |
| } |
| #endif |
| |
| ctx->encoder = ctx->api->encoder_open(ctx->params); |
| if (!ctx->encoder) { |
| av_log(avctx, AV_LOG_ERROR, "Cannot open libx265 encoder.\n"); |
| libx265_encode_close(avctx); |
| return AVERROR_INVALIDDATA; |
| } |
| |
| if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) { |
| x265_nal *nal; |
| int nnal; |
| |
| avctx->extradata_size = ctx->api->encoder_headers(ctx->encoder, &nal, &nnal); |
| if (avctx->extradata_size <= 0) { |
| av_log(avctx, AV_LOG_ERROR, "Cannot encode headers.\n"); |
| libx265_encode_close(avctx); |
| return AVERROR_INVALIDDATA; |
| } |
| |
| avctx->extradata = av_malloc(avctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE); |
| if (!avctx->extradata) { |
| av_log(avctx, AV_LOG_ERROR, |
| "Cannot allocate HEVC header of size %d.\n", avctx->extradata_size); |
| libx265_encode_close(avctx); |
| return AVERROR(ENOMEM); |
| } |
| |
| memcpy(avctx->extradata, nal[0].payload, avctx->extradata_size); |
| memset(avctx->extradata + avctx->extradata_size, 0, AV_INPUT_BUFFER_PADDING_SIZE); |
| } |
| |
| return 0; |
| } |
| |
| static av_cold int libx265_encode_set_roi(libx265Context *ctx, const AVFrame *frame, x265_picture* pic) |
| { |
| AVFrameSideData *sd = av_frame_get_side_data(frame, AV_FRAME_DATA_REGIONS_OF_INTEREST); |
| if (sd) { |
| if (ctx->params->rc.aqMode == X265_AQ_NONE) { |
| if (!ctx->roi_warned) { |
| ctx->roi_warned = 1; |
| av_log(ctx, AV_LOG_WARNING, "Adaptive quantization must be enabled to use ROI encoding, skipping ROI.\n"); |
| } |
| } else { |
| /* 8x8 block when qg-size is 8, 16*16 block otherwise. */ |
| int mb_size = (ctx->params->rc.qgSize == 8) ? 8 : 16; |
| int mbx = (frame->width + mb_size - 1) / mb_size; |
| int mby = (frame->height + mb_size - 1) / mb_size; |
| int qp_range = 51 + 6 * (pic->bitDepth - 8); |
| int nb_rois; |
| const AVRegionOfInterest *roi; |
| uint32_t roi_size; |
| float *qoffsets; /* will be freed after encode is called. */ |
| |
| roi = (const AVRegionOfInterest*)sd->data; |
| roi_size = roi->self_size; |
| if (!roi_size || sd->size % roi_size != 0) { |
| av_log(ctx, AV_LOG_ERROR, "Invalid AVRegionOfInterest.self_size.\n"); |
| return AVERROR(EINVAL); |
| } |
| nb_rois = sd->size / roi_size; |
| |
| qoffsets = av_calloc(mbx * mby, sizeof(*qoffsets)); |
| if (!qoffsets) |
| return AVERROR(ENOMEM); |
| |
| // This list must be iterated in reverse because the first |
| // region in the list applies when regions overlap. |
| for (int i = nb_rois - 1; i >= 0; i--) { |
| int startx, endx, starty, endy; |
| float qoffset; |
| |
| roi = (const AVRegionOfInterest*)(sd->data + roi_size * i); |
| |
| starty = FFMIN(mby, roi->top / mb_size); |
| endy = FFMIN(mby, (roi->bottom + mb_size - 1)/ mb_size); |
| startx = FFMIN(mbx, roi->left / mb_size); |
| endx = FFMIN(mbx, (roi->right + mb_size - 1)/ mb_size); |
| |
| if (roi->qoffset.den == 0) { |
| av_free(qoffsets); |
| av_log(ctx, AV_LOG_ERROR, "AVRegionOfInterest.qoffset.den must not be zero.\n"); |
| return AVERROR(EINVAL); |
| } |
| qoffset = roi->qoffset.num * 1.0f / roi->qoffset.den; |
| qoffset = av_clipf(qoffset * qp_range, -qp_range, +qp_range); |
| |
| for (int y = starty; y < endy; y++) |
| for (int x = startx; x < endx; x++) |
| qoffsets[x + y*mbx] = qoffset; |
| } |
| |
| pic->quantOffsets = qoffsets; |
| } |
| } |
| return 0; |
| } |
| |
| static void free_picture(libx265Context *ctx, x265_picture *pic) |
| { |
| x265_sei *sei = &pic->userSEI; |
| for (int i = 0; i < sei->numPayloads; i++) |
| av_free(sei->payloads[i].payload); |
| |
| #if X265_BUILD >= 167 |
| av_free(pic->rpu.payload); |
| #endif |
| |
| if (pic->userData) { |
| int idx = (int)(intptr_t)pic->userData - 1; |
| rd_release(ctx, idx); |
| pic->userData = NULL; |
| } |
| |
| av_freep(&pic->quantOffsets); |
| sei->numPayloads = 0; |
| } |
| |
| static int libx265_encode_frame(AVCodecContext *avctx, AVPacket *pkt, |
| const AVFrame *pic, int *got_packet) |
| { |
| const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt); |
| libx265Context *ctx = avctx->priv_data; |
| x265_picture x265pic; |
| x265_picture x265pic_out[FF_X265_MAX_LAYERS] = { 0 }; |
| #if (X265_BUILD >= 210) && (X265_BUILD < 213) |
| x265_picture *x265pic_lyrptr_out[FF_X265_MAX_LAYERS]; |
| #endif |
| x265_nal *nal; |
| x265_sei *sei; |
| uint8_t *dst; |
| int pict_type; |
| int payload = 0; |
| int nnal; |
| int ret; |
| int i; |
| |
| ctx->api->picture_init(ctx->params, &x265pic); |
| |
| sei = &x265pic.userSEI; |
| sei->numPayloads = 0; |
| |
| if (pic) { |
| AVFrameSideData *sd; |
| ReorderedData *rd; |
| int rd_idx; |
| |
| for (i = 0; i < desc->nb_components; i++) { |
| x265pic.planes[i] = pic->data[i]; |
| x265pic.stride[i] = pic->linesize[i]; |
| } |
| |
| x265pic.pts = pic->pts; |
| x265pic.bitDepth = av_pix_fmt_desc_get(avctx->pix_fmt)->comp[0].depth; |
| |
| x265pic.sliceType = pic->pict_type == AV_PICTURE_TYPE_I ? |
| (ctx->forced_idr ? X265_TYPE_IDR : X265_TYPE_I) : |
| pic->pict_type == AV_PICTURE_TYPE_P ? X265_TYPE_P : |
| pic->pict_type == AV_PICTURE_TYPE_B ? X265_TYPE_B : |
| X265_TYPE_AUTO; |
| |
| ret = libx265_encode_set_roi(ctx, pic, &x265pic); |
| if (ret < 0) |
| return ret; |
| |
| rd_idx = rd_get(ctx); |
| if (rd_idx < 0) { |
| free_picture(ctx, &x265pic); |
| return rd_idx; |
| } |
| rd = &ctx->rd[rd_idx]; |
| |
| rd->duration = pic->duration; |
| if (avctx->flags & AV_CODEC_FLAG_COPY_OPAQUE) { |
| rd->frame_opaque = pic->opaque; |
| ret = av_buffer_replace(&rd->frame_opaque_ref, pic->opaque_ref); |
| if (ret < 0) { |
| rd_release(ctx, rd_idx); |
| free_picture(ctx, &x265pic); |
| return ret; |
| } |
| } |
| |
| x265pic.userData = (void*)(intptr_t)(rd_idx + 1); |
| |
| if (ctx->a53_cc) { |
| void *sei_data; |
| size_t sei_size; |
| |
| ret = ff_alloc_a53_sei(pic, 0, &sei_data, &sei_size); |
| if (ret < 0) { |
| av_log(ctx, AV_LOG_ERROR, "Not enough memory for closed captions, skipping\n"); |
| } else if (sei_data) { |
| void *tmp; |
| x265_sei_payload *sei_payload; |
| |
| tmp = av_fast_realloc(ctx->sei_data, |
| &ctx->sei_data_size, |
| (sei->numPayloads + 1) * sizeof(*sei_payload)); |
| if (!tmp) { |
| av_free(sei_data); |
| free_picture(ctx, &x265pic); |
| return AVERROR(ENOMEM); |
| } |
| ctx->sei_data = tmp; |
| sei->payloads = ctx->sei_data; |
| sei_payload = &sei->payloads[sei->numPayloads]; |
| sei_payload->payload = sei_data; |
| sei_payload->payloadSize = sei_size; |
| sei_payload->payloadType = SEI_TYPE_USER_DATA_REGISTERED_ITU_T_T35; |
| sei->numPayloads++; |
| } |
| } |
| |
| if (ctx->udu_sei) { |
| for (i = 0; i < pic->nb_side_data; i++) { |
| AVFrameSideData *side_data = pic->side_data[i]; |
| void *tmp; |
| x265_sei_payload *sei_payload; |
| |
| if (side_data->type != AV_FRAME_DATA_SEI_UNREGISTERED) |
| continue; |
| |
| tmp = av_fast_realloc(ctx->sei_data, |
| &ctx->sei_data_size, |
| (sei->numPayloads + 1) * sizeof(*sei_payload)); |
| if (!tmp) { |
| free_picture(ctx, &x265pic); |
| return AVERROR(ENOMEM); |
| } |
| ctx->sei_data = tmp; |
| sei->payloads = ctx->sei_data; |
| sei_payload = &sei->payloads[sei->numPayloads]; |
| sei_payload->payload = av_memdup(side_data->data, side_data->size); |
| if (!sei_payload->payload) { |
| free_picture(ctx, &x265pic); |
| return AVERROR(ENOMEM); |
| } |
| sei_payload->payloadSize = side_data->size; |
| /* Equal to libx265 USER_DATA_UNREGISTERED */ |
| sei_payload->payloadType = SEI_TYPE_USER_DATA_UNREGISTERED; |
| sei->numPayloads++; |
| } |
| } |
| |
| #if X265_BUILD >= 167 |
| sd = av_frame_get_side_data(pic, AV_FRAME_DATA_DOVI_METADATA); |
| if (ctx->dovi.cfg.dv_profile && sd) { |
| const AVDOVIMetadata *metadata = (const AVDOVIMetadata *)sd->data; |
| ret = ff_dovi_rpu_generate(&ctx->dovi, metadata, FF_DOVI_WRAP_NAL, |
| &x265pic.rpu.payload, |
| &x265pic.rpu.payloadSize); |
| if (ret < 0) { |
| free_picture(ctx, &x265pic); |
| return ret; |
| } |
| } else if (ctx->dovi.cfg.dv_profile) { |
| av_log(avctx, AV_LOG_ERROR, "Dolby Vision enabled, but received frame " |
| "without AV_FRAME_DATA_DOVI_METADATA"); |
| free_picture(ctx, &x265pic); |
| return AVERROR_INVALIDDATA; |
| } |
| #endif |
| } |
| |
| #if (X265_BUILD >= 210) && (X265_BUILD < 213) |
| for (i = 0; i < FF_ARRAY_ELEMS(x265pic_out); i++) |
| x265pic_lyrptr_out[i] = &x265pic_out[i]; |
| |
| ret = ctx->api->encoder_encode(ctx->encoder, &nal, &nnal, |
| pic ? &x265pic : NULL, x265pic_lyrptr_out); |
| #else |
| ret = ctx->api->encoder_encode(ctx->encoder, &nal, &nnal, |
| pic ? &x265pic : NULL, x265pic_out); |
| #endif |
| |
| for (i = 0; i < sei->numPayloads; i++) |
| av_free(sei->payloads[i].payload); |
| av_freep(&x265pic.quantOffsets); |
| |
| if (ret < 0) |
| return AVERROR_EXTERNAL; |
| |
| if (!nnal) |
| return 0; |
| |
| for (i = 0; i < nnal; i++) |
| payload += nal[i].sizeBytes; |
| |
| ret = ff_get_encode_buffer(avctx, pkt, payload, 0); |
| if (ret < 0) { |
| av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n"); |
| return ret; |
| } |
| dst = pkt->data; |
| |
| for (i = 0; i < nnal; i++) { |
| memcpy(dst, nal[i].payload, nal[i].sizeBytes); |
| dst += nal[i].sizeBytes; |
| |
| if (is_keyframe(nal[i].type)) |
| pkt->flags |= AV_PKT_FLAG_KEY; |
| } |
| |
| pkt->pts = x265pic_out->pts; |
| pkt->dts = x265pic_out->dts; |
| |
| switch (x265pic_out->sliceType) { |
| case X265_TYPE_IDR: |
| case X265_TYPE_I: |
| pict_type = AV_PICTURE_TYPE_I; |
| break; |
| case X265_TYPE_P: |
| pict_type = AV_PICTURE_TYPE_P; |
| break; |
| case X265_TYPE_B: |
| case X265_TYPE_BREF: |
| pict_type = AV_PICTURE_TYPE_B; |
| break; |
| default: |
| av_log(avctx, AV_LOG_ERROR, "Unknown picture type encountered.\n"); |
| return AVERROR_EXTERNAL; |
| } |
| |
| #if X265_BUILD >= 130 |
| if (x265pic_out->sliceType == X265_TYPE_B) |
| #else |
| if (x265pic_out->frameData.sliceType == 'b') |
| #endif |
| pkt->flags |= AV_PKT_FLAG_DISPOSABLE; |
| |
| ff_side_data_set_encoder_stats(pkt, x265pic_out->frameData.qp * FF_QP2LAMBDA, NULL, 0, pict_type); |
| |
| if (x265pic_out->userData) { |
| int idx = (int)(intptr_t)x265pic_out->userData - 1; |
| ReorderedData *rd = &ctx->rd[idx]; |
| |
| pkt->duration = rd->duration; |
| |
| if (avctx->flags & AV_CODEC_FLAG_COPY_OPAQUE) { |
| pkt->opaque = rd->frame_opaque; |
| pkt->opaque_ref = rd->frame_opaque_ref; |
| rd->frame_opaque_ref = NULL; |
| } |
| |
| rd_release(ctx, idx); |
| } |
| |
| *got_packet = 1; |
| return 0; |
| } |
| |
| static const enum AVPixelFormat x265_csp_eight[] = { |
| AV_PIX_FMT_YUV420P, |
| AV_PIX_FMT_YUVJ420P, |
| AV_PIX_FMT_YUV422P, |
| AV_PIX_FMT_YUVJ422P, |
| AV_PIX_FMT_YUV444P, |
| AV_PIX_FMT_YUVJ444P, |
| AV_PIX_FMT_GBRP, |
| AV_PIX_FMT_GRAY8, |
| #if X265_BUILD >= 210 && FF_X265_MAX_LAYERS > 1 |
| AV_PIX_FMT_YUVA420P, |
| #endif |
| AV_PIX_FMT_NONE |
| }; |
| |
| static const enum AVPixelFormat x265_csp_ten[] = { |
| AV_PIX_FMT_YUV420P, |
| AV_PIX_FMT_YUVJ420P, |
| AV_PIX_FMT_YUV422P, |
| AV_PIX_FMT_YUVJ422P, |
| AV_PIX_FMT_YUV444P, |
| AV_PIX_FMT_YUVJ444P, |
| AV_PIX_FMT_GBRP, |
| AV_PIX_FMT_YUV420P10, |
| AV_PIX_FMT_YUV422P10, |
| AV_PIX_FMT_YUV444P10, |
| AV_PIX_FMT_GBRP10, |
| AV_PIX_FMT_GRAY8, |
| AV_PIX_FMT_GRAY10, |
| #if X265_BUILD >= 210 && FF_X265_MAX_LAYERS > 1 |
| AV_PIX_FMT_YUVA420P, |
| AV_PIX_FMT_YUVA420P10, |
| #endif |
| AV_PIX_FMT_NONE |
| }; |
| |
| static const enum AVPixelFormat x265_csp_twelve[] = { |
| AV_PIX_FMT_YUV420P, |
| AV_PIX_FMT_YUVJ420P, |
| AV_PIX_FMT_YUV422P, |
| AV_PIX_FMT_YUVJ422P, |
| AV_PIX_FMT_YUV444P, |
| AV_PIX_FMT_YUVJ444P, |
| AV_PIX_FMT_GBRP, |
| AV_PIX_FMT_YUV420P10, |
| AV_PIX_FMT_YUV422P10, |
| AV_PIX_FMT_YUV444P10, |
| AV_PIX_FMT_GBRP10, |
| AV_PIX_FMT_YUV420P12, |
| AV_PIX_FMT_YUV422P12, |
| AV_PIX_FMT_YUV444P12, |
| AV_PIX_FMT_GBRP12, |
| AV_PIX_FMT_GRAY8, |
| AV_PIX_FMT_GRAY10, |
| AV_PIX_FMT_GRAY12, |
| #if X265_BUILD >= 210 && FF_X265_MAX_LAYERS > 1 |
| AV_PIX_FMT_YUVA420P, |
| AV_PIX_FMT_YUVA420P10, |
| #endif |
| AV_PIX_FMT_NONE |
| }; |
| |
| static int libx265_get_supported_config(const AVCodecContext *avctx, |
| const AVCodec *codec, |
| enum AVCodecConfig config, |
| unsigned flags, const void **out, |
| int *out_num) |
| { |
| if (config == AV_CODEC_CONFIG_PIX_FORMAT) { |
| if (x265_api_get(12)) { |
| *out = x265_csp_twelve; |
| *out_num = FF_ARRAY_ELEMS(x265_csp_twelve) - 1; |
| } else if (x265_api_get(10)) { |
| *out = x265_csp_ten; |
| *out_num = FF_ARRAY_ELEMS(x265_csp_ten) - 1; |
| } else if (x265_api_get(8)) { |
| *out = x265_csp_eight; |
| *out_num = FF_ARRAY_ELEMS(x265_csp_eight) - 1; |
| } else |
| return AVERROR_EXTERNAL; |
| return 0; |
| } |
| |
| return ff_default_get_supported_config(avctx, codec, config, flags, out, out_num); |
| } |
| |
| #define OFFSET(x) offsetof(libx265Context, x) |
| #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM |
| static const AVOption options[] = { |
| { "crf", "set the x265 crf", OFFSET(crf), AV_OPT_TYPE_FLOAT, { .dbl = -1 }, -1, FLT_MAX, VE }, |
| { "qp", "set the x265 qp", OFFSET(cqp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE }, |
| { "forced-idr", "if forcing keyframes, force them as IDR frames", OFFSET(forced_idr),AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE }, |
| { "preset", "set the x265 preset", OFFSET(preset), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE }, |
| { "tune", "set the x265 tune parameter", OFFSET(tune), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE }, |
| { "profile", "set the x265 profile", OFFSET(profile), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE }, |
| { "udu_sei", "Use user data unregistered SEI if available", OFFSET(udu_sei), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE }, |
| { "a53cc", "Use A53 Closed Captions (if available)", OFFSET(a53_cc), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE }, |
| { "x265-params", "set the x265 configuration using a :-separated list of key=value parameters", OFFSET(x265_opts), AV_OPT_TYPE_DICT, { 0 }, 0, 0, VE }, |
| #if X265_BUILD >= 167 |
| { "dolbyvision", "Enable Dolby Vision RPU coding", OFFSET(dovi.enable), AV_OPT_TYPE_BOOL, {.i64 = FF_DOVI_AUTOMATIC }, -1, 1, VE, .unit = "dovi" }, |
| { "auto", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_DOVI_AUTOMATIC}, .flags = VE, .unit = "dovi" }, |
| #endif |
| { NULL } |
| }; |
| |
| static const AVClass class = { |
| .class_name = "libx265", |
| .item_name = av_default_item_name, |
| .option = options, |
| .version = LIBAVUTIL_VERSION_INT, |
| }; |
| |
| static const FFCodecDefault x265_defaults[] = { |
| { "b", "0" }, |
| { "bf", "-1" }, |
| { "g", "-1" }, |
| { "keyint_min", "-1" }, |
| { "refs", "-1" }, |
| { "qmin", "-1" }, |
| { "qmax", "-1" }, |
| { "qdiff", "-1" }, |
| { "qblur", "-1" }, |
| { "qcomp", "-1" }, |
| { "i_qfactor", "-1" }, |
| { "b_qfactor", "-1" }, |
| { NULL }, |
| }; |
| |
| FFCodec ff_libx265_encoder = { |
| .p.name = "libx265", |
| CODEC_LONG_NAME("libx265 H.265 / HEVC"), |
| .p.type = AVMEDIA_TYPE_VIDEO, |
| .p.id = AV_CODEC_ID_HEVC, |
| .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DELAY | |
| AV_CODEC_CAP_OTHER_THREADS | |
| AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE, |
| .color_ranges = AVCOL_RANGE_MPEG | AVCOL_RANGE_JPEG, |
| .p.priv_class = &class, |
| .p.wrapper_name = "libx265", |
| .init = libx265_encode_init, |
| .get_supported_config = libx265_get_supported_config, |
| FF_CODEC_ENCODE_CB(libx265_encode_frame), |
| .close = libx265_encode_close, |
| .priv_data_size = sizeof(libx265Context), |
| .defaults = x265_defaults, |
| .caps_internal = FF_CODEC_CAP_NOT_INIT_THREADSAFE | |
| FF_CODEC_CAP_AUTO_THREADS, |
| }; |